<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Document</title>
    <script src="./lib/react.js"></script>
    <script src="./lib/react-dom.js"></script>
    <script src="./lib/browser.js"></script>
</head>
<body>
    <div id="root"></div>
    <script type="text/babel">
        function  formname(user) {
            return  user.firstName+" "+user.lastName
        }
        const user = {
            firstName:"尼古拉斯",
            lastName:"赵四"
        }
        const ele=(
            <h1>hello,{formname(user)}</h1>
        )
        ReactDOM.render(ele,document.getElementById("root"))
    </script>
</body>
</html>